Home / 42,246.90-63,370.35-21,510.90

Finding the Fourth Proportional to 42,246.90, 63,370.35 and 21,510.90

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Solution

The fourth proportional to 42,246.90, 63,370.35 and 21,510.90 is: 32,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246.90 : 63,370.35 = 21,510.90 : x
  2. Step 2: Convert to fraction form
    42,246.90/63,370.35 = 21,510.90/x
  3. Step 3: Cross multiply
    42,246.90x = 63,370.35 × 21,510.90
  4. Step 4: Simplify right side
    42,246.90x = 1,363,153,261.82
  5. Step 5: Solve for x
    x = 1,363,153,261.82/42,246.90
  6. Step 6: Final answer
    x = 32,266.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.